Which is the minimum requirement for pure directional stability? – McqOptions

MCQOPTIONS

1.	Which is the minimum requirement for pure directional stability?
A.	Slope of yawing moment curve positive
B.	Negative lift curve slope
C.	Negative pitching moment coefficient curve slope
D.	Positive zero lift pitching moment coefficient
Answer» B. Negative lift curve slope

Discussion

No Comment Found

Related MCQs

Determine the net velocity if sideslip angle is 3.8 degree and [v] = 4.2 unit.
Determine sideslip angle for a steady level unaccelerated flight with [u, v, w] = [80, 2, 4.5].
Find resultant velocity if [u, v, w] = [80, 2, 4.5]. Consider steady level flight.
Find sideslip angle if [u, v, w] = [100, 5, 2.5]. Consider steady level flight.
Determine the value of rudder deflection r for an aircraft which is flying in north with the velocity of 60.5 m/s under the crosswind of 5m/s from east to west with Cn =0.02/deg and Cn r = -0.045/deg, where sideslip angle is -4.72 .
An aircraft is flying in the north direction at a velocity of 60.5m/s under cross wind from the east to west of 5m/s. If the value of Cn =0.02/deg, where. Find sideslip angle .
Aircraft can suffer from adverse yaw during rolling.
An aircraft experiences sideslip of 4 and side wash at vertical tail is 1.2 . What will be the AOA at vertical tail?
Rolling moment will influence _______
Which is the minimum requirement for pure directional stability?